LXR linux/arch/m68k/include/asm/nettel.h

   1/****************************************************************************/
   2
   3/*
   4 *      nettel.h -- Lineo (formerly Moreton Bay) NETtel support.
   5 *
   6 *      (C) Copyright 1999-2000, Moreton Bay (www.moretonbay.com)
   7 *      (C) Copyright 2000-2001, Lineo Inc. (www.lineo.com) 
   8 *      (C) Copyright 2001-2002, SnapGear Inc., (www.snapgear.com) 
   9 */
  10
  11/****************************************************************************/
  12#ifndef nettel_h
  13#define nettel_h
  14/****************************************************************************/
  15
  16
  17/****************************************************************************/
  18#ifdef CONFIG_NETtel
  19/****************************************************************************/
  20
  21#ifdef CONFIG_COLDFIRE
  22#include <asm/coldfire.h>
  23#include <asm/mcfsim.h>
  24#include <asm/io.h>
  25#endif
  26
  27/*---------------------------------------------------------------------------*/
  28#if defined(CONFIG_M5307)
  29/*
  30 *      NETtel/5307 based hardware first. DTR/DCD lines are wired to
  31 *      GPIO lines. Most of the LED's are driver through a latch
  32 *      connected to CS2.
  33 */
  34#define MCFPP_DCD1      0x0001
  35#define MCFPP_DCD0      0x0002
  36#define MCFPP_DTR1      0x0004
  37#define MCFPP_DTR0      0x0008
  38
  39#define NETtel_LEDADDR  0x30400000
  40
  41#ifndef __ASSEMBLY__
  42
  43extern volatile unsigned short ppdata;
  44
  45/*
  46 *      These functions defined to give quasi generic access to the
  47 *      PPIO bits used for DTR/DCD.
  48 */
  49static __inline__ unsigned int mcf_getppdata(void)
  50{
  51        volatile unsigned short *pp;
  52        pp = (volatile unsigned short *) MCFSIM_PADAT;
  53        return((unsigned int) *pp);
  54}
  55
  56static __inline__ void mcf_setppdata(unsigned int mask, unsigned int bits)
  57{
  58        volatile unsigned short *pp;
  59        pp = (volatile unsigned short *) MCFSIM_PADAT;
  60        ppdata = (ppdata & ~mask) | bits;
  61        *pp = ppdata;
  62}
  63#endif
  64
  65/*---------------------------------------------------------------------------*/
  66#elif defined(CONFIG_M5206e)
  67/*
  68 *      NETtel/5206e based hardware has leds on latch on CS3.
  69 *      No support modem for lines??
  70 */
  71#define NETtel_LEDADDR  0x50000000
  72
  73/*---------------------------------------------------------------------------*/
  74#elif defined(CONFIG_M5272)
  75/*
  76 *      NETtel/5272 based hardware. DTR/DCD lines are wired to GPB lines.
  77 */
  78#define MCFPP_DCD0      0x0080
  79#define MCFPP_DCD1      0x0000          /* Port 1 no DCD support */
  80#define MCFPP_DTR0      0x0040
  81#define MCFPP_DTR1      0x0000          /* Port 1 no DTR support */
  82
  83#ifndef __ASSEMBLY__
  84/*
  85 *      These functions defined to give quasi generic access to the
  86 *      PPIO bits used for DTR/DCD.
  87 */
  88static __inline__ unsigned int mcf_getppdata(void)
  89{
  90        return readw(MCFSIM_PBDAT);
  91}
  92
  93static __inline__ void mcf_setppdata(unsigned int mask, unsigned int bits)
  94{
  95        write((readw(MCFSIM_PBDAT) & ~mask) | bits, MCFSIM_PBDAT);
  96}
  97#endif
  98
  99#endif
 100/*---------------------------------------------------------------------------*/
 101
 102/****************************************************************************/
 103#endif /* CONFIG_NETtel */
 104/****************************************************************************/
 105#endif  /* nettel_h */
 106